Parts & Accessories
Shop AR-15 and AR-10 parts and accessories from Boss Firearms. Our parts inventory includes LMT upper and lower receivers, Proof Research carbon fiber barrels, Forward Controls Design components, Geissele triggers, Magpul furniture, BCM parts, SureFire lights, and much more. Whether you're building a new rifle or upgrading your current setup, we carry the hard-to-find components trusted by military, law enforcement, and serious civilian shooters.
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Out of stockOn Sale
Magpul - PMAG D-50 9mm 50rd. Drum Magazine - MAG1035-BLK
Now: $118.70Was: $124.95Lightweight but incredibly strong, Magpul's PMAG D-50 EV9 is a highly-reliable, 9x19mm Parabellum, 50-round drum magazine for large-format pistols and pistol caliber carbines that feed from CZ Scorpion EVO 3-pattern magazines. The D-50 EV9 features a...Now: $118.70Was: $124.95 -
Out of stockOn Sale
Magpul - PMAG 9mm 10rd. Magazine Fits Glock 19 - MAG907-BLK
Magpul Industries
Now: $14.20Was: $14.95The Magpul PMAG 10 GL9 - Glock G17 and G19 9x19 Parabellum are the highest performing and most reliable restricted capacity magazines on the market. They are designed to provide the same quality and performance of the proven Magpul PMAG series of Glock...Now: $14.20Was: $14.95 -
Out of stockOn Sale
Magpul - PMAG 10 5.56 AC 10rd. Magazine - MAG1100-BLK
Magpul Industries
Now: $37.95Was: $39.95This is a new Magpul Industries PMAG 10 5.56 AC 10-round magazine. The PMAG 10 5.56 AC is a polymer 5.56x45 NATO (.223 Remington) magazine designed for short action Accuracy International Chassis Systems (AICS)-pattern bottom metal, including the Bolt...Now: $37.95Was: $39.95 -
Out of stockOn Sale
Magpul - PMAG MOE AK / AKM 10rd. 7.62x39mm Magazine - MAG657
Magpul Industries
Now: $15.15Was: $15.95The PMAG 10 AK/AKM MOE is an inexpensive, lightweight, high reliability 10-round polymer magazine designed for Kalashnikov pattern rifles in 7.62x39mm (AK-47, AKM, AKS, SIG556R, and others.) It features a removable floorplate, constant curve geometry,...Now: $15.15Was: $15.95 -
Out of stock
Magpul - PMAG 10 AC 10rd. 7.62 NATO Magazine - MAG579-BLK
Magpul Industries
$33.99A larger-capacity variant of the proven PMAG 5 7.62 AC, the PMAG 10 7.62 AC is a reliable and durable polymer magazine for .308 Winchester based family of cartridges. Compatible with short action AICS-spec bottom metal to include the Bolt Action Magazine...$33.99 -
Out of stockOn Sale
Magpul - PMAG D-50 .308/7.62mm 50rd. AR10/SR25 Magazine - MAG993-BLK
Magpul Industries
Now: $147.71Was: $154.95The Magpul PMAG D-50 is a rugged, lightweight 50-round polymer drum magazine designed for 7.62x51 NATO/.308 Winchester ammunition for SR25/M110 pattern rifles. It's capable of using longer-than-SAAMl-spec match ammunition. up to 2.830" OAL, such as...Now: $147.71Was: $154.95 -
Out of stockOn Sale
Sig Sauer - Tango MSR Rifle Scope 1-10x28mm - SOTM11000
Sig Sauer
Now: $579.99Was: $759.99Introducing the TANGO-MSR line of riflescopes by Sig Sauer. Featuring three new low power variable optics loaded with standard features and offered at an incredible value. These new models include illuminated reticles, factory installed flip-back lens...Now: $579.99Was: $759.99 -
Out of stockOn Sale
LMT Defense - M203 Rail Mounted Leaf Sight
LMT Defense
Now: $243.90Was: $251.55LMT Defense M203 rail mounted leaf sight. This sight is used for the M203 40mm grenade launcher and is used to be mounted to either the grenade launcher itself or mounted to the firearm the granade launcher is mounted on.Now: $243.90Was: $251.55 -
On Sale
Magpul - PMAG D-50 9mm 50rd - MAG1137-BLK
Magpul Industries
Now: $118.70Was: $124.95The Magpul PMAG D-50 GL9 9mm 50-Round Drum Magazine for Glock-Compatible Firearms (MAG1137-BLK) is Magpul's 50-round polymer drum magazine designed for Glock-compatible 9mm pistols, carbines, and PCC (pistol caliber carbines) that accept standard...Now: $118.70Was: $124.95 -
Out of stockOn Sale
Magpul - PMAG 9mm 17 rounds fits Glock 17 - MAG290-BLK
Magpul Industries
Now: $21.80Was: $22.95The 7.62x51 NATO (.308 Winchester) PMAG 10 LR/SR GEN M3 is a lightweight, cost effective, high reliability magazine for SR25/M110 pattern rifles in the smallest possible magazine size. Ideal for hunting applications with the addition of the Minus Five...Now: $21.80Was: $22.95 -
Out of stockOn Sale
Magpul - PMAG 300 Blackout 20 Round AR Mag - MAG1182-BLK
Magpul Industries
Now: $15.15Was: $15.99Magpul's PMAG 20 AR 300 B GEN M3 is a purpose-built magazine for rifles chambered in .300 Blackout (300 BLK). Similar in every way to our PMAG 30 AR 300 B, the PMAG 20 is more compact for increased maneuverability and creates a more concealable package...Now: $15.15Was: $15.99 -
LMT Defense - Carbine Length AR15 Polymer Handguard Set - LMP154G
LMT Defense
$66.30The LMT Defense Carbine Length AR15 Polymer Handguard Set (LMP154G) is a mil-spec drop-in polymer handguard set for standard AR-15 carbine builds. Designed as a lightweight, durable, and heat-resistant replacement for mil-spec carbine-length handguards,...$66.30